User Guide

RH-53/54

Nokia Customer Care

30 COMPANY CONFIDENTIAL ISSUE 1 09/2004

The names to the left are the signal names used on the RF schematics

Table 3: Supply names

See the picture below for measuring points at the UEM (D200).

Figure 19: UEM measuring points

There is only one PLL synthesizer generating Local Oscillator frequencies for both RX and TX

in both bands (Lowband and Highband). The VCO frequency is divided by 2 for Highband op-

eration or by 4 for Lowband operation inside the Mjoelner IC.

Supply

name RF

Supply

name UEM

Min Typ Max Unit

VCP VR1A 4.54 4.75 4.9 V

VTX VR2 2.64 2.78 2.86 V

VXO VR3 2.64 2.78 2.86 V

VPLL VR5 2.64 2.78 2.86 V

VRX VR6 2.64 2.78 2.86 V

VVCO VR7 2.64 2.78 2.86 V

VBB VIO 1.72 1.8 1.88 V

VREF2 VrefRF01 1.334 1.35 1.366 V

VBATT BATTERY 3.1 3.6 5.2 V

VR6=VRX (C225) VR1A=VCP (C221)

VR7=VVCO (C224)

VR2=VTX (C223)

VR3=VXO (C227)

VrefRF01=VREF1 (C231)

VR5=VPLL (C226)

VIO=VBB (C218)